And you will come up with a way to get there, plenty of places to stay and many things to do!
If you are a member of the AAA in the USA you can sign up with a sister-relationship membership with the AA in New Zealand ahead of your trip and have them send you their travel quides and maps and you are also then eligible for discounted car rental rates, discounted accomodation rates and discounted rates at many sight seeing activities. See: